Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Dow SILASTIC Liquid Silicone Rubber 9390-70 Silicone Rubber

Dow SILASTIC Liquid Silicone Rubber 9390-70 is a platinum-cured, high-strength LSR offering excellent tear resistance, biocompatibility, and thermal stability. Ideal for medical devices and precision molding, it features low viscosity, fast cure, and consistent performance across demanding applications.
  • dow silastic liquid silicone rubber 9390 70 silicone rubber_e7f8df29
  • dow silastic liquid silicone rubber 9390 70 silicone rubber_e7f8df29

Features Of Dow SILASTIC Liquid Silicone Rubber 9390-70 Silicone Rubber

  1. High consistency and excellent flow control for precise, bubble-free mold filling.

  2. Fast-curing platinum-catalyzed system enabling high-throughput production cycles.

  3. Outstanding biocompatibility compliant with ISO 10993-5 and USP Class VI requirements.

  4. Superior thermal stability with continuous service capability up to 200 °C.

  5. Low compression set and exceptional long-term elastic recovery for dynamic sealing applications.

Typical Applications Of Dow SILASTIC Liquid Silicone Rubber 9390-70 Silicone Rubber

  1. Medical devices including catheters, respiratory components, and drug delivery systems.

  2. Automotive fluid handling components such as turbocharger hoses and coolant seals.

  3. Consumer healthcare products like wearable sensor housings and skin-contact interfaces.

  4. Industrial gaskets and seals requiring chemical resistance and dimensional stability.

  5. Electronics encapsulation for high-reliability sensors and power modules.

Specifications Of Dow SILASTIC Liquid Silicone Rubber 9390-70 Silicone Rubber

Chemical TypePlatinum-cured liquid silicone rubber (LSR)
Product FormTwo-component (Part A + Part B), pourable liquid
AppearanceOpaque off-white viscous liquid (Part A); translucent pale yellow liquid (Part B)
Shore A Hardness (cured)70 ± 2
Tensile Strength (ASTM D412)8.5 MPa typical
Elongation at Break (ASTM D412)450% typical
Primary ApplicationsMedical, automotive, electronics, industrial sealing
Key FeaturesBiocompatible, fast-cure, low volatility, excellent release from molds


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